v4.2.0 - package/utils: rename api_info function to get_url_body - package/utils: Add debug log and throttling retry to api_info - package/loader: Handle errors when retrieving package version info - package/loader: Implement load_status and visit_status - package/tests: Add a visit success test for StubPackageLoader - golang: Ensure to include dev version when no releases exist - golang: Ensure to case-encode URLs for retrieving package info